Chemical cleaning apparatus



FIG. 1 is a top-front, right side perspective view of a chemicalcleaning apparatus according to the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

CLAIM The ornamental design for a chemical cleaning apparatus, as shownand described.